@misc{indiciaead152db35bb5,
  title = {Risk factors associated with loss of hepatitis B virus surface antibody in patients with HBV surface-antigen negative/surface antibody positive serostatus receiving biologic DMARDs to treat rheumatic diseases - a nested case-control study},
  author = {Hung, M.-H. and Tien, Y.-C. and Chiu, Y.-M.},
  year = {2019},
  doi = {10.1101/661850},
  url = {https://www.biorxiv.org/content/10.1101/661850v1},
  note = {Source identifier: 10.1101/661850}
}